diff --git a/layout/generic/nsBlockFrame.cpp b/layout/generic/nsBlockFrame.cpp
index fa5650108b7..e5721671a40 100644
--- a/layout/generic/nsBlockFrame.cpp
+++ b/layout/generic/nsBlockFrame.cpp
@@ -5750,7 +5750,7 @@ nsBlockFrame::ReflowFloatContinuations(nsBlockReflowState& aState,
 
       // Reflow
       nsReflowStatus fStatus = NS_FRAME_COMPLETE;
-      aState.AddFloat(nsnull, f, aState.mContentArea.width, fStatus);
+      aState.FlowAndPlaceFloat(f, fStatus);
       if (!NS_FRAME_IS_FULLY_COMPLETE(fStatus)) {
         rv = SplitFloat(aState, f, fStatus);
         NS_ENSURE_SUCCESS(rv, rv);
diff --git a/layout/generic/nsBlockReflowState.cpp b/layout/generic/nsBlockReflowState.cpp
index d569e76134a..7a9cc41f804 100644
--- a/layout/generic/nsBlockReflowState.cpp
+++ b/layout/generic/nsBlockReflowState.cpp
@@ -542,7 +542,8 @@ nsBlockReflowState::AddFloat(nsLineLayout*       aLineLayout,
                              nscoord             aAvailableWidth,
                              nsReflowStatus&     aReflowStatus)
 {
-  NS_PRECONDITION(!aLineLayout || mBlock->end_lines() != mCurrentLine, "null ptr");
+  NS_PRECONDITION(aLineLayout, "must have line layout");
+  NS_PRECONDITION(mBlock->end_lines() != mCurrentLine, "null ptr");
   NS_PRECONDITION(aFloat->GetStateBits() & NS_FRAME_OUT_OF_FLOW,
                   "aFloat must be an out-of-flow frame");
 
@@ -570,11 +571,10 @@ nsBlockReflowState::AddFloat(nsLineLayout*       aLineLayout,
   // don't let this one go on the current line, since that would violate
   // float ordering.
   nsRect floatAvailableSpace = GetFloatAvailableSpace().mRect;
-  if (!aLineLayout ||
-      (mBelowCurrentLineFloats.IsEmpty() &&
-       (aLineLayout->LineIsEmpty() ||
-        mBlock->ComputeFloatWidth(*this, floatAvailableSpace, aFloat)
-        <= aAvailableWidth))) {
+  if (mBelowCurrentLineFloats.IsEmpty() &&
+      (aLineLayout->LineIsEmpty() ||
+       mBlock->ComputeFloatWidth(*this, floatAvailableSpace, aFloat)
+       <= aAvailableWidth)) {
     nsFloatManager::SavedState floatManagerState;
     mFloatManager->PushState(&floatManagerState);
 
@@ -586,11 +586,9 @@ nsBlockReflowState::AddFloat(nsLineLayout*       aLineLayout,
       nsRect availSpace(nsPoint(floatAvailSpace.mRect.x + BorderPadding().left,
                                 mY),
                         floatAvailSpace.mRect.Size());
-      if (aLineLayout) {
-        aLineLayout->UpdateBand(availSpace, aFloat);
-        // Record this float in the current-line list
-        mCurrentLineFloats.Append(mFloatCacheFreeList.Alloc(aFloat));
-      }
+      aLineLayout->UpdateBand(availSpace, aFloat);
+      // Record this float in the current-line list
+      mCurrentLineFloats.Append(mFloatCacheFreeList.Alloc(aFloat));
     }
     else {
       if (placed) {